Reebok Floatride Run ULTK Women's Running Shoes White/Denim/Cobalt : Urging you to Run Farther, the Reebok Floatride Run Ultraknit is a fresh new take on the neutral running shoe. It may not look like a running shoe, but that's part of its appeal. The UltraKnit upper material provides a modern, adaptive fit around the foot for the most comfortable feel. Floatride Foam technology underfoot provides long-lasting, highly-responsive cushioning that can take you the distance. Thats why this shoe has become a favorite among long-distance runners taking on 10ks, marathons, and Ragnar relay races. An innovative 3D heel cradle was created by a bra manufacturer and is specifically designed to prevent irritation at the runner's heel. Upper: Features a lightweight, seamless textile Flexweave upper provides irritation free support. Flat laces reduce irritation. Midsole: Dual-density foam print midsole for adaptive cushioning and flexibility. A smooth and cushioned removable insole provides extra, all-day comfort. Supportive EVA foam rim centers and balances your foot. Outsole: Outsole tread rubber is engineered with a ripple design to provide consistent ground contact for a smooth transition from heel to toe.